XML 35 R40.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Real Estate and Intangible Assets - Summary of Geographic Locations, by State, of Properties (Detail) (USD $) | 0 Months Ended | 3 Months Ended
--- | --- | ---
Mar. 31, 2015 Farm acre | Mar. 31, 2015 Farm acre | Mar. 31, 2014 Farm acre
Real Estate Properties [Line Items] |  |  |
Number of Farms | 34 land_NumberOfRealEstateFarms | 34 land_NumberOfRealEstateFarms | 21 land_NumberOfRealEstateFarms
Total Acres | 8,789 us-gaap_AreaOfRealEstateProperty | 8,789 us-gaap_AreaOfRealEstateProperty | 6,000 us-gaap_AreaOfRealEstateProperty
% of Total Acres |  | 100.00%land_PercentageOfAreaOfLand | 100.00%land_PercentageOfAreaOfLand
Rental revenue |  | $ 2,622,327 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue | $ 1,495,636 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
% of Total Rental Revenue |  | 100.00%land_PercentageOfRentalRevenue | 100.00%land_PercentageOfRentalRevenue
California [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of Farms | 15 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_CA | 15 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_CA | 8 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_CA
Total Acres | 2,722 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_CA | 2,722 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_CA | 1,454 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_CA
% of Total Acres | 31.00%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_CA | 31.00%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_CA | 24.20%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_CA
Rental revenue |  | 1,839,707 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_CA | 1,013,612 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_CA
% of Total Rental Revenue |  | 70.20%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_CA | 67.80%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_CA
Oregon [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of Farms |  | 4 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_OR | 2 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_OR
Total Acres | 2,313 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_OR | 2,313 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_OR | 2,113 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_OR
% of Total Acres |  | 26.30%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_OR | 35.20%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_OR
Rental revenue |  | 291,537 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_OR | 238,025 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_OR
% of Total Rental Revenue |  | 11.10%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_OR | 15.90%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_OR
Florida [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of Farms |  | 10 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_FL | 6 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_FL
Total Acres | 1,723 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_FL | 1,723 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_FL | 402 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_FL
% of Total Acres |  | 19.60%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_FL | 6.70%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_FL
Rental revenue |  | 349,488 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_FL | 116,982 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_FL
% of Total Rental Revenue |  | 13.30%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_FL | 7.80%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_FL
Arizona [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of Farms |  | 1 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_AZ | 1 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_AZ
Total Acres | 1,761 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_AZ | 1,761 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_AZ | 1,761 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_AZ
% of Total Acres |  | 20.00%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_AZ | 29.40%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_AZ
Rental revenue |  | 79,916 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_AZ | 72,757 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_AZ
% of Total Rental Revenue |  | 3.00%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_AZ | 4.90%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_AZ
Michigan [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of Farms |  | 4 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_MI | 4 land_NumberOfRealEstateFarms / us-gaap_StatementGeographicalAxis = stpr_MI
Total Acres | 270 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_MI | 270 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_MI | 270 us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = stpr_MI
% of Total Acres |  | 3.10%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_MI | 4.50%land_PercentageOfAreaOfLand / us-gaap_StatementGeographicalAxis = stpr_MI
Rental revenue |  | $ 61,679 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_MI | $ 54,260 us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_StatementGeographicalAxis = stpr_MI
% of Total Rental Revenue |  | 2.40%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_MI | 3.60%land_PercentageOfRentalRevenue / us-gaap_StatementGeographicalAxis = stpr_MI

X
- Definition Number of real estate farms. + References No definition available. + Details
Name: | land_NumberOfRealEstateFarms
Namespace Prefix: | land_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of area of land. + References No definition available. + Details
Name: | land_PercentageOfAreaOfLand
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of rental revenue. + References No definition available. + Details
Name: | land_PercentageOfRentalRevenue
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707 + Details
Name: | us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_AZ
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_FL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_MI
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_OR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |